
9
CrossFire 8650/8651 UEM Guide to Operation, DOC-7090 v. 1.0
2. Installation
LEDs
There are six LEDs on the front panel of a CrossFire 8650 or 8651 UEM. During
normal operation, the two LEDs on the left side of the front panel indicate the
module status:
The two LEDs on the right of every port indicate the port status:
LED
Position
State
Meaning
DIAG (green)
Top
On
Diagnostics are in process.
Off
No diagnostics are in process.
ERR (yellow)
Bottom
On
A module failure has occurred.
Off
The module is working correctly.
Table 1. LEDs at the Left on the Front Panel
LED
Position
State
Meaning
LINK (green)
Top
On
The port has linked and is
inserted.
Flashing
The port is disabled.
Off
The port is not inserted.
ACTIVITY
(green)
Bottom
Flashing
The port is receiving or
transmitting LLC frames.
Note that the ACTIVITY LED
does not flash for MAC frames.
Off
There is no LLC traffic on the
port
Table 2. LEDs at the Right of Every Port
865x.Book Page 9 Wednesday, October 6, 1999 2:31 PM